Separable button



(NoModeL) C. A. GILOHRIST.

. SEPARABLE: BUTTON. No. 244,885. 7 Paiented July 26,1881..

N. FEETERS. Pholo-Lilhugnphnr. Washinglnn. LCv

UNITED STATES PATENT OFFICE.

OHAR LES'A. GILGHRIST, OF SQMERVILLE, MASSACHUSETTS.

SEPARABLE BUTTON.

SPECIFICATION forming part of Letters Patent No. 244,885, dated July 26, 1881. Application filed March 28, 1881. (N model.)

To all whom it may concern:

Be it known that I, OHAELEs A. GILCHRIST, of Somervi1le,in the county of Middlesex and State of Massachusetts, have invented certain Improvements in Separable Buttons, of which the following is a specification.

This invention relates to separable buttons, the body having two push-pieces pressed outwardly by a spring, and thus caused to bear upon a headed shank on the foot of the button to lock the two parts of the button together, and it has for its object to provide certain im provements in the form of the push-pieces, whereby each is partially guided by the other in its movements.

4 To these ends my invention consists in the novel form and arrangement of the push-pieces, which I will now proceed to describe and claim.

Of the accompanying drawings, forming a part of this specification, Figure 1 represents a transverse section of a button embodying my invention. Fig. 2 represents a section on line a: m, Fig. 1. Fig. 3 represents a section on line 1 y, Fig. 2. Figs. 4, 5, 6, 7, and 8 represent views of parts in detail.

The same letters of reference indicate the same parts in all the figures.

In the drawings, a represents the body or outer portion of a separable button having in its back side a recess, 1), in the edges of which are slots 8 s.

0 represents the ordinary body-post projecting from the center of the recess 12.

01 represents the foot or shoe of the button, 35 having the headed tubular shank 0, adapted to fit over the post a. v

' f f represent the push pieces, which are placed in the recess 7) and project at their outer ends through the slots 8 8. Each push-piece has an abutment, h, to receive a spring, 70, arranged to throw the jaws g of the push-pieces into engagement with the headed shank e of the foot to connect the body and shoe, and each push-piece has also a tongue or projection, e, 5 upon its inner end extending longitudinally of the piece, and a longitudinal slot, j, near its outer end. The slot j of each piece receives and guides the tongue or projection 13 of the other piece,-as seen in Fig. 2, so that the pushpieces cannot move edgewise excepting in the longitudinal directions required to move the jaws g toward and from the shank e. The outward movement of the push-pieces is limited by contact of their shoulders h h with the walls of the recess 12. The spring and pushpieces are placed loosely in the recess 1), and held in place by a cap, I), which is made in a separate piece, and may be secured to the button by soldering if the latter be of metal, or by means hereinafter described if the but-ton be of a composition capable of being softened by heat. The cap is provided with a central orifice, 0, for the post 0 and shank c.

When the body a is composed of a composition capable of being softened by heat I form the recess 1) by sinking a flanged metallic disk, t, into the back of the'body a (the latter having been previously softened) until the edge of the flange is about flush with the back of the body a. The flange of the disk has the slots s s for the push-pieces. The cap I) is of larger diameter than the disk t, and is provided with ears or points N, which are embedded in the back of the body after the pushpieces and spring are in place.

What I claim is-.

In a separable button of the class herein described, the spring-impelled push-pieces having the projecting tongues i t'and the recesses j j, arranged as shown, whereby the pushpieces are guided in their movements and prevented from lateral displacement, as set forth.

In testimony whereofI have signed my name to this specification, in the presence of two sub scribing witnesses, this 26th day of March, A. 8 5 D. 1881.

CHARLES A. GILGHRIST.

Witnesses:

H. G. WADLIN, O. F. BROWN- 

